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    Die elegante Art, Hitzköpfe und andere Streithammel zu beruhigen: Wie Sie in 90 Sekunden Ärger in Luft auflösen
    New €17.90
    You save €9.91 (55%)
    Book€7.99
    You save €9.91 (55%)
    New €17.90€7.99

    De-Escalate: How to Calm an Angry Person in 90 Seconds or Less
    Book€11.00
    €11.00